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z/OS ROSCOE for ACF2 STIG

  • Version/Release: V6R6
  • Published: 2014-01-07
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b
ROSCOE Install data sets are not properly protected.
Medium - V-16932 - SV-21879r1_rule
RMF Control
Severity
Medium
CCI
Version
ZROSA000
Vuln IDs
  • V-16932
Rule IDs
  • SV-21879r1_rule
ROSCOE Install data sets provide the capability to use privileged functions and/or have access to sensitive data. Failure to properly restrict access to their data sets could result in violating the integrity of the base product which could result in compromising the operating system or sensitive data.Systems ProgrammerInformation Assurance OfficerDCSL-1, ECAR-1, ECAR-2, ECCD-1, ECCD-2
Checks: C-27862r1_chk

a) Refer to the following report produced by the Data Set and Resource Data Collection: - SENSITVE.RPT(ROSRPT) Automated Analysis Refer to the following report produced by the Data Set and Resource Data Collection: - PDI(ZROS0000) b) Verify that access to the ROSCOE Install data sets are properly restricted. ___ The ACF2 data set rules for the data sets does not restrict UPDATE and/or ALTER access to systems programming personnel. ___ The ACF2 data set rules for the data sets does not specify that all (i.e., failures and successes) UPDATE and/or ALTER access will be logged. c) If all of the above are untrue, there is NO FINDING. d) If any of the above is true, this is a FINDING.

Fix: F-341r1_fix

The IAO will ensure that update and allocate access to program product data sets is limited to System Programmers only, and all update and allocate access is logged. Security Personnel and Auditors should have read access. The installing Systems Programmer will identify and document the product data sets and categorize them according to who will have update and alter access and if required that all update and allocate access is logged. He will identify if any additional groups have update access for specific data sets, and once documented he will work with the IAO to see that they are properly restricted to the ACP (Access Control Program ) active on the system. Data sets to be protected will be: SYS2.ROSCOE SYS2A.ROSCOE SYS3.ROSCOE SYS3A.ROSCOE The following commands are provided as a sample for implementing dataset controls: $KEY(SYS2) ROSCOE.- UID(syspaudt) R(A) W(L) A(L) E(A) ROSCOE.- UID(secaaudt) R(A) E(A) ROSCOE.- UID(audtaudt) R(A) E(A) $KEY(SYS2A) ROSCOE.- UID(syspaudt) R(A) W(L) A(L) E(A) ROSCOE.- UID(secaaudt) R(A) E(A) ROSCOE.- UID(audtaudt) R(A) E(A) $KEY(SYS3) ROSCOE.- UID(syspaudt) R(A) W(L) A(L) E(A) ROSCOE.- UID(secaaudt) R(A) E(A) ROSCOE.- UID(audtaudt) R(A) E(A) $KEY(SYS3A) ROSCOE.- UID(syspaudt) R(A) W(L) A(L) E(A) ROSCOE.- UID(secaaudt) R(A) E(A) ROSCOE.- UID(audtaudt) R(A) E(A)

b
ROSCOE STC data sets are not properly protected.
Medium - V-17067 - SV-21875r1_rule
RMF Control
Severity
Medium
CCI
Version
ZROSA001
Vuln IDs
  • V-17067
Rule IDs
  • SV-21875r1_rule
ROSCOE STC data sets provide the capability to use privileged functions and/or have access to sensitive data. Failure to properly restrict access to their data sets could result in violating the integrity of the base product which could result in compromising the operating system or sensitive data.Systems ProgrammerInformation Assurance OfficerDCSL-1, ECAR-1, ECAR-2, ECAR-3, ECCD-1, ECCD-2
Checks: C-27867r1_chk

a) Refer to the following report produced by the Data Set and Resource Data Collection: - SENSITVE.RPT(ROSSTC) Automated Analysis Refer to the following report produced by the Data Set and Resource Data Collection: - PDI(ZROS0001) b) Verify that access to the ROSCOE STC data sets are properly restricted. The data sets in this group are the data sets identified in the ROSACTxx (if used), ROSLIBxx, and SYSAWSx DD statements of the STC or batch JCL. ___ The ACF2 data set rules for the data sets does not restrict UPDATE and/or ALTER access to systems programming personnel. ___ The ACF2 data set rules for the data sets does not restrict UPDATE and/or ALTER access to the product STC(s) and/or batch job(s). c) If all of the above are untrue, there is NO FINDING. d) If any of the above is true, this is a FINDING.

Fix: F-20407r1_fix

The IAO will ensure that update and allocate access to the ROSCOE started task or batch job data sets is limited to system programmers and the started task only and all update and allocate access is logged. The IAO will ensure that all other accesses to the ROSCOE started task or batch job data sets are properly restricted and all required accesses are properly logged. Data sets to be protected will be SYS3.ROSCOE.SYS** SYS3.ROSCOE.ROSLIB** Example: SET RULE $KEY(SYS3) ROSCOE.SYS- UID(syspudt) R(A) W(L) A(L) E(A) ROSCOE.SYS- UID(stc roscoe) R(A) W(L) A(L) E(A) ROSCOE.ROSLIB- UID(syspudt) R(A) W(L) A(L) E(A) ROSCOE.ROSLIB- UID(stc roscoe) R(A) W(L) A(L) E(A)

b
ROSCOE Started Task name is not properly identified / defined to the system ACP.
Medium - V-17452 - SV-21877r1_rule
RMF Control
Severity
Medium
CCI
Version
ZROSA030
Vuln IDs
  • V-17452
Rule IDs
  • SV-21877r1_rule
Products that require a started task will require that the started task be restricted to certain resources, datasets and other system functions. By defining the started task as a userid to the system ACP, It allows the ACP to control the access and authorized users that require these capabilities. Failure to properly control these capabilities, could compromise of the operating system environment, ACP, and customer data. Information Assurance OfficerECCD-1, ECCD-2
Checks: C-26458r1_chk

a) Refer to the following report produced by the ACF2 Data Collection: - ACF2CMDS.RPT(LOGONIDS) b) Ensure the following fields are completed for each STC logonid for the product: STC JOBFROM MUSASS NO-SMC c) Ensure the following fields are completed for each Batch logonid for the product: JOB JOBFROM MUSASS NO-SMC d) If the logonids specified in (b) and/or (c) have all the required fields are completed, this is not a FINDING. e) If the logonids specified in (b) and/or (c) do not have all the above fields completed, this is a FINDING.

Fix: F-27950r1_fix

The ROSCOE system programmer and the IAO will ensure that a product's Started Task(s) is properly Identified / defined to the System ACP. If the product requires a Started Task, verify that it is properly defined to the System ACP with the proper attributes. Most installation manuals will indicate how the Started Task is identified and any additional attributes that must be specified. Example: SET LID CHANGE ROSCOE JOBFROM MUSASS NO-SMC

b
ROSCOE resources must be properly defined and protected.
Medium - V-17947 - SV-21876r3_rule
RMF Control
Severity
Medium
CCI
Version
ZROSA020
Vuln IDs
  • V-17947
Rule IDs
  • SV-21876r3_rule
ROSCOE can run with sensitive system privileges, and potentially can circumvent system controls. Failure to properly control access to product resources could result in the compromise of the operating system environment, and compromise the confidentiality and integrity of customer data. Many utilities assign resource controls that can be granted to system programmers only in greater than read authority. Resources are also granted to certain non systems personnel with read only authority. Systems ProgrammerInformation Assurance OfficerECCD-1, ECCD-2
Checks: C-46980r1_chk

Refer to the following report produced by the ACF2 Data Collection and Data Set and Resource Data Collection: - SENSITVE.RPT(ZROS0020) - ACF2CMDS.RPT(RESOURCE) – Alternate report Automated Analysis Refer to the following report produced by the Data Set and Resource Data Collection: - PDI(ZROS0020) Ensure that all ROSCOE resources and/or generic equivalent are properly protected according to the requirements specified in CA ROSCOE Resources table in the z/OS STIG Addendum. If the following guidance is true, this is not a finding. ___ The ACF2 resources are defined with a default access of PREVENT. ___ The ACF2 resource access authorizations restrict access to the appropriate personnel. ___ The ACF2 resource logging is correctly specified.

Fix: F-45271r1_fix

The IAO will work with the systems programmer to verify that the following are properly specified in the ACP. (Note: The resource type, resources, and/or resource prefixes identified below are examples of a possible installation. The actual resource type, resources, and/or resource prefixes are determined when the product is actually installed on a system through the product’s installation guide and can be site specific.) Ensure that all ROSCOE resources and/or generic equivalent are properly protected according to the requirements specified in CA ROSCOE Resources table in the z/OS STIG Addendum. Use CA ROSCOE Resources table in the z/OS STIG Addendum. This table lists the resources, access requirements, and logging requirements for ROSCOE ensure the following guidelines are followed: The ACF2 resources are defined with a default access of PREVENT. The ACF2 resource access authorizations restrict access to the appropriate personnel. The ACF2 resource logging is correctly specified. The following commands are provided as a sample for implementing resource controls: $KEY(rosid) TYPE(ROS) ROSCMD.ETSO UID(*) SEVICE(READ) ROSCMD.MONITOR.- UID(syspaudt) ALLOW ROSCMD.MONITOR.AMS UID(syspaudt) ALLOW ROSCMD.MONITOR.AMS UID(*) SEVICE(READ) ROSCMD.- UID(syspaudt) ALLOW - UID(*) PREVENT

b
The ROSCOE's Resouce Class is not defined or active in the ACP.
Medium - V-18011 - SV-24845r1_rule
RMF Control
Severity
Medium
CCI
Version
ZROSA038
Vuln IDs
  • V-18011
Rule IDs
  • SV-24845r1_rule
Failure to use a robust ACP to control a product could potentially compromise the integrity and availability of the MVS operating system and user data.Information Assurance ManagerInformation Assurance OfficerDCCS-1, DCCS-2
Checks: C-26480r1_chk

a) Refer to the following report produced by the ACF2 Data Collection: - ACF2CMDS.RPT(ACFGSO) b) Ensure that the following GSO CLASMAP record entries are defined: CLASMAPqual RESOURCE(ROSRES) RSRCTYPE(ROS) c) If all of the items in (b) are true, there is NO FINDING. d) If any item in (b) is untrue, this is a FINDING.

Fix: F-323r1_fix

The IAO will use SAF security to define and protect the Products resouce class(es). Ensure that the following GSO CLASMAP record entry(ies) is (are) defined: CLASMAP.ROSCOE ENTITYLN(39) RESOURCE(ROSRES) RSRCTYPE(ROS) Example: SET C(GSO) LIST CLASMAP.ROSCOE INSERT CLASMAP.ROSCOE ENTITYLN(39) RESOURCE(ROSRES) RSRCTYPE(ROS) F ACF2,REFRESH(CLASMAP)

b
ROSCOE configuration/parameter values are not specified properly.
Medium - V-18014 - SV-21878r1_rule
RMF Control
Severity
Medium
CCI
Version
ZROSA040
Vuln IDs
  • V-18014
Rule IDs
  • SV-21878r1_rule
Product configuration/parameters control the security and operational characteristics of products. If these parameter values are improperly specified, security and operational controls may be weakened. This exposure may threaten the availability of the product applications, and compromise the confidentiality of customer data.Systems ProgrammerECCD-1, ECCD-2
Checks: C-24174r1_chk

a) Have the the products system programmer display the configuration/parameters control ststements used in the current runing product to define or enable security. This information is located in the SYSIN DD statement in the JCL of the STC/Batch job. Automated Analysis Refer to the following report produced by the z/OS Data Collection: - PDI(ZROS0040) b) Verify the following specifications: Keyword Value EXTSEC ACF2 ACFEXT YES CLLEXT YES JOBEXT YES LIBEXT YES MONEXT YES PRVEXT YES RPFEXT YES UPSEXT YES c) If (b) above is true, there is NO FINDING. d) If (b) above is untrue, this is a FINDING

Fix: F-22633r1_fix

The product systems programmer will verify that any configuration / parameters that are required to control the security of the product are properly configured and syntactically correct. See the required parameters below: Example Keyword Value EXTSEC ACF2 ACFEXT YES CLLEXT YES JOBEXT YES LIBEXT YES MONEXT YES PRVEXT YES RPFEXT YES UPSEXT YES